Probably 40, if you follow the structure of getting past stages (10 lvl, 20 lvl, 30 lvl)
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25/03/20
D-B-B-A
25/03/2020
D-B-B-A
26/03/2020
D-D-B-D
27/03/2020
B-D-A-B
B - A - D - B
nobody has discovered yet the sa for today??
29/03/2020 A-A-D-A